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| All Patents in class 123/41.04 | |||||
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| Number | Date | Patentee | Title | Type | |
| 596,271 | Dec. 28, 1897 | F.W. Lanchester | Cooling Device for Explosive Engines | cooling apparatus | |
| 2,189,888 | Feb. 13, 1940 | L.E. Endsley | Thermal Control of Internal Combustion Engines | cooling apparatus | |